| Acronym | Meaning |
| DEMA | Diesel Engine Manufacturers Association |
| GLISP | Great Lakes International Surveillance Plan |
| LEU | Low Enrichment Uranium |
| USLE | Universal Soil Loss Equation (erosion Model) |
| SAI | Simplified Ab Initio Method |
| EIA | Eikonal Impulse Approxn. (in Ion-atom Inelatic Collisions) |
| PT2F | Second-order Perturbation Theory (with) Fock (matrix) |
| NRMRL | National Risk Management Research Laboratory |
| LAESA | Laser Ablation Emission Spectrochemical Analysis |
| LTH | Luteotropic Hormone |